title: Lack of tolerance in heroin-addicts to the neuroendocrine effects of an enkephalin analogue.
mesh_terms: D000328:Adult; D005405:D-Ala(2),MePhe(4),Met(0)-ol-enkephalin; D004361:Drug Tolerance; D004723:Endorphins / Q000494:pharmacology*; D004745:Enkephalins / Q000494:pharmacology*; D005640:Follicle Stimulating Hormone / Q000097:blood; D013006:Growth Hormone / Q000097:blood; D006556:Heroin Dependence / Q000503:physiopathology*; D006728:Hormones / Q000494:pharmacology*; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood; D008297:Male; D011388:Prolactin / Q000097:blood; D013972:Thyrotropin / Q000097:blood; D013997:Time Factors
chemical_list: D004723:Endorphins; D004745:Enkephalins; D006728:Hormones; D005405:D-Ala(2),MePhe(4),Met(0)-ol-enkephalin; D011388:Prolactin; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone; D013972:Thyrotropin; D013006:Growth Hormone